Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

1,173 questions in 89 reviews · Neuromuscular

current versions
No studies 302 · 25.7%Ungraded 119 · 10.1%Very low 267 · 22.8%Low 239 · 20.4%Moderate 177 · 15.1%High 69 · 5.9%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Gait assessment · participants with neglected CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · participants with neglected CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Foot alignmentPirani score. Scale from: 0 to 6. A lower score indicates better alignment · participants with CTEV at initial presentation
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extracted1 study · 38 participantsLow
Intervention NR
Adverse events · participants with neglected CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Function ‐ · participants with CTEV (type of case (i.e. whether initial presentation or relapsed) not specified)
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Foot alignment Pirani score. A lower score indicates better alignment. Scale from: 0 to 6. · participants with CTEV (type of case (i.e. whether initial presentation or relapsed) not specified)
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extracted1 study · 40 participantsLow
Intervention NR
Gait assessment · participants with CTEV (type of case (i.e. whether initial presentation or relapsed) not specified)
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · participants with CTEV (type of case (i.e. whether initial presentation or relapsed) not specified)
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · participants with CTEV (type of case (i.e. whether initial presentation or relapsed) not specified)
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extracted1 study · 5 participantsLow
Intervention NR
Gait assessment · participants with CTEV at initial presentation
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · participants with CTEV at initial presentation
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extracted2 studies · 2 participantsUngraded
Intervention NR
Adverse events · participants with CTEV at initial presentation
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extracted1 study · 25 participantsLow
Intervention NR
Function · participants with resistant CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Foot alignment · participants with resistant CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extracted3 studies · 4 participantsUngraded
Intervention NR
Gait assessment · participants with resistant CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · participants with resistant CTEV
Interventions for congenital talipes equinovarus (clubfoot) (2020) · Cochrane
no estimate extractedNRNo studies
Interferon beta‐1a vs placebo
Improvement in disability grade after 4 weeks Scale ranges from grade 0 to 6 where 0 is healthy and 6 is dead · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 19 participantsVery low
Brain‐derived neurotrophic factor vs placebo
Time from randomisation until recovery of unaided walking, (median, days (95% CI)) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 10 participantsVery low
Brain‐derived neurotrophic factor vs placebo
Time from randomisation until discontinuation of ventilation (for those ventilated) (median, weeks (range)) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 5 participantsVery low
Brain‐derived neurotrophic factor vs placebo
Death · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 0.67 [0.06, 7.85]1 study · 10 participantsVery low
Brain‐derived neurotrophic factor vs placebo
Death or disability after 12 months · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.33 [0.17, 10.25]1 study · 10 participantsVery low
Brain‐derived neurotrophic factor vs placebo
Participants with 1 or more serious adverse events · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1 [0.28, 3.54]1 study · 10 participantsVery low
Cerebrospinal fluid filtration vs plasma exchange
Improvement in disability grade after 4 weeks Scale ranges from grade 0 to 6 where 0 is healthy and 6 is dead · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 37 participantsVery low
Cerebrospinal fluid filtration vs plasma exchange
Improvement in disability grade Defined as achievement of a specified degree of improvement · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 0.94 [0.48, 1.84]1 study · 37 participantsVery low
Cerebrospinal fluid filtration vs plasma exchange
Time from randomisation until recovery of unaided walking (median, days (range)) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 37 participantsVery low
Cerebrospinal fluid filtration vs plasma exchange
Time from randomisation until discontinuation of ventilation (for those ventilated) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Cerebrospinal fluid filtration vs plasma exchange
Death · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.18 [0.08, 17.42]1 study · 37 participantsLow
Interferon beta‐1a vs placebo
Improvement in disability grade Defined as achievement of a specified degree of improvement · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.08 [0.42, 2.77]1 study · 19 participantsVery low
Cerebrospinal fluid filtration vs plasma exchange
Death or disability after 12 months · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Cerebrospinal fluid filtration vs plasma exchange
Participants with 1 or more serious adverse events · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 0.13 [0.01, 2.25]1 study · 37 participantsVery low
Tripterygium polyglycoside vs corticosteroids
Improvement in disability grade after 4 weeks Scale ranges from grade 0 to 6 where 0 is healthy and 6 is dead · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Tripterygium polyglycoside vs corticosteroids
Improvement in disability grade Defined as achievement of a specified degree of improvement · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.47 [1.02, 2.11]1 study · 43 participantsVery low
Tripterygium polyglycoside vs corticosteroids
Time from randomisation until recovery of unaided walking · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Tripterygium polyglycoside vs corticosteroids
Time from randomisation until discontinuation of ventilation (for those ventilated) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Tripterygium polyglycoside vs corticosteroids
Death · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 43 participantsUngraded
Tripterygium polyglycoside vs corticosteroids
Death or disability after 12 months · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Tripterygium polyglycoside vs corticosteroids
Participants with 1 or more serious adverse events · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 43 participantsUngraded
Eculizumab vs placebo
Improvement in disability grade after 4 weeks Scale ranges from grade 0 to 6 where 0 is healthy and 6 is dead · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted2 studies · 40 participantsVery low
Interferon beta‐1a vs placebo
Time from randomisation until recovery of unaided walking (median, days (95% CI)) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 19 participantsVery low
Eculizumab vs placebo
Improvement in disability grade Defined as achievement of a specified degree of improvement · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 0.85 [0.43, 1.69]2 studies · 40 participantsLow
Eculizumab vs placebo
Time from randomisation until recovery of unaided walking (mean, weeks) · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 7 participantsLow
Eculizumab vs placebo
Time from randomisation until discontinuation of ventilation (for those ventilated) · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted2 studies · 8 participantsVery low
Eculizumab vs placebo
Death · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.5 [0.08, 26.86]2 studies · 38 participantsLow
Eculizumab vs placebo
Death or disability after 12 months In the absence of data at 12 months, we report the outcome at 6 months · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.21 [0.15, 10.11]2 studies · 38 participantsVery low
Eculizumab vs placebo
Participants with 1 or more serious adverse events · adults with severe Guillain‐Barré syndrome (GBS disability score > 2), within 2 weeks form onset
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.9 [0.34, 10.5]2 studies · 41 participantsLow
Interferon beta‐1a vs placebo
Time from randomisation until discontinuation of ventilation (for those ventilated) · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Interferon beta‐1a vs placebo
Death · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 1.5 [0.07, 32.29]1 study · 19 participantsLow
Interferon beta‐1a vs placebo
Death or disability after 12 months · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extractedNRNo studies
Interferon beta‐1a vs placebo
Participants with 1 or more serious adverse events · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
RR 0.92 [0.23, 3.72]1 study · 19 participantsVery low
Brain‐derived neurotrophic factor vs placebo
Improvement in disability grade after 4 weeks Scale ranges from grade 0 to 6 where 0 is healthy and 6 is dead · people with Guillain‐Barré syndrome
Pharmacological treatment other than corticosteroids, intravenous immunoglobulin and plasma exchange for… (2020) · Cochrane
no estimate extracted1 study · 10 participantsVery low